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60 lines
1.8 KiB
Go
60 lines
1.8 KiB
Go
package expression
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import (
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"fmt"
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)
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// InvalidParameterError is returned if invalid parameters are encountered. This
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// error specifically refers to situations where parameters are non-empty but
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// have an invalid syntax/format. The error message includes the function
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// that returned the error originally and the parameter type that was deemed
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// invalid.
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//
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// Example:
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//
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// // err is of type InvalidParameterError
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// _, err := expression.Name("foo..bar").BuildOperand()
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type InvalidParameterError struct {
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parameterType string
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functionName string
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}
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func (ipe InvalidParameterError) Error() string {
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return fmt.Sprintf("%s error: invalid parameter: %s", ipe.functionName, ipe.parameterType)
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}
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func newInvalidParameterError(funcName, paramType string) InvalidParameterError {
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return InvalidParameterError{
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parameterType: paramType,
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functionName: funcName,
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}
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}
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// UnsetParameterError is returned if parameters are empty and uninitialized.
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// This error is returned if opaque structs (ConditionBuilder, NameBuilder,
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// Builder, etc) are initialized outside of functions in the package, since all
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// structs in the package are designed to be initialized with functions.
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//
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// Example:
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//
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// // err is of type UnsetParameterError
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// _, err := expression.Builder{}.Build()
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// _, err := expression.NewBuilder().
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// WithCondition(expression.ConditionBuilder{}).
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// Build()
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type UnsetParameterError struct {
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parameterType string
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functionName string
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}
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func (upe UnsetParameterError) Error() string {
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return fmt.Sprintf("%s error: unset parameter: %s", upe.functionName, upe.parameterType)
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}
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func newUnsetParameterError(funcName, paramType string) UnsetParameterError {
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return UnsetParameterError{
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parameterType: paramType,
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functionName: funcName,
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}
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}
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